1013656117653 has 12 divisors (see below), whose sum is σ = 1464213936640. Its totient is φ = 675750442536.

The previous prime is 1013656117637. The next prime is 1013656117657. The reversal of 1013656117653 is 3567116563101.

1013656117653 is a `hidden beast` number, since 1 + 0 + 1 + 36 + 561 + 1 + 7 + 6 + 53 = 666.

It is not a de Polignac number, because 1013656117653 - 2⁴ = 1013656117637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1013656117599 and 1013656117608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013656117657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372501 + ... + 1977642.

Almost surely, 2^{1013656117653} is an apocalyptic number.

It is an amenable number.

1013656117653 is a deficient number, since it is larger than the sum of its proper divisors (450557818987).

1013656117653 is a wasteful number, since it uses less digits than its factorization.

1013656117653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383768 (or 3383765 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 1013656117653 in words is "one trillion, thirteen billion, six hundred fifty-six million, one hundred seventeen thousand, six hundred fifty-three".